linux-kernel - [PATCH 5.4 105/191] ata: libahci_platform: Export again ahci_platform_<en/dis>able

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Date:   Tue,  7 Jan 2020 21:53:45 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 5.4 105/191] ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()

From: Florian Fainelli <f.fainelli@...il.com>

commit 84b032dbfdf1c139cd2b864e43959510646975f8 upstream.

This reverts commit 6bb86fefa086faba7b60bb452300b76a47cde1a5
("libahci_platform: Staticize ahci_platform_<en/dis>able_phys()") we are
going to need ahci_platform_{enable,disable}_phys() in a subsequent
commit for ahci_brcm.c in order to properly control the PHY
initialization order.

Also make sure the function prototypes are declared in
include/linux/ahci_platform.h as a result.

Cc: stable@...r.kernel.org
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/ata/libahci_platform.c |    6 ++++--
 include/linux/ahci_platform.h  |    2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -43,7 +43,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_ops);
  * RETURNS:
  * 0 on success otherwise a negative error code
  */
-static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
+int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
 {
 	int rc, i;
 
@@ -74,6 +74,7 @@ disable_phys:
 	}
 	return rc;
 }
+EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
 
 /**
  * ahci_platform_disable_phys - Disable PHYs
@@ -81,7 +82,7 @@ disable_phys:
  *
  * This function disables all PHYs found in hpriv->phys.
  */
-static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
+void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
 {
 	int i;
 
@@ -90,6 +91,7 @@ static void ahci_platform_disable_phys(s
 		phy_exit(hpriv->phys[i]);
 	}
 }
+EXPORT_SYMBOL_GPL(ahci_platform_disable_phys);
 
 /**
  * ahci_platform_enable_clks - Enable platform clocks
--- a/include/linux/ahci_platform.h
+++ b/include/linux/ahci_platform.h
@@ -19,6 +19,8 @@ struct ahci_host_priv;
 struct platform_device;
 struct scsi_host_template;
 
+int ahci_platform_enable_phys(struct ahci_host_priv *hpriv);
+void ahci_platform_disable_phys(struct ahci_host_priv *hpriv);
 int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
 void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
 int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv);